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Buy Sideral PC Key

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★ ★ ★ ★ ★

Where to buy Sideral at the best price? As of 25 Aug 2026 the cheapest option is £0.27 at GAMIVO, out of 3 offers across 3 stores. The range reaches £5.49, so the distance between the first and the last listing can be wide even with a handful of sellers. You activate the key in Steam or another client, and it is worth checking the price history first. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 21 Jun 2019
Armagedoom Games
Armagedoom Games
Indie
Metacritic:
tbd 7.3
Steam:
Overwhelmingly Negative (3)
Buy in Official Store:
£5.49
Buy in Keyshops:
-95%
£0.27
Historical low
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
Sideral
Windows
+1
1y ago
DRM:
Steam
Steam
£5.49
Shop now

Keyshops (2)

DRM:
Steam
Steam
GAMIVO
Sideral Global (Steam)
Windows
+1
7w ago
DRM:
Steam
GAMIVO
£5.49 ~£0.27
Historical Low Deal
Historical low
-95%
-9% with XDDealscopy
-9% with XDDealscopy
Shop now
Eneba ★ 5.0 (2)
Sideral (PC) Steam Key GLOBAL
★ 5.0
Windows
+1
6h ago
DRM:
Steam
Eneba
£5.12 ~£0.80
-84%
-10% with XDD10copy
-10% with XDD10copy
Shop now

About Sideral

Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral
Sideral - about the game
Relax and engage your mind in this indie adventure game. Players face a wordless world with no guidance, starting by figuring out core objectives amid water and sand elements. Solve numerous logic puzzles across the Sideral Islands, relying solely on personal insight to uncover each section's secrets. A solo developer crafted this PC title with care, emphasizing pure mental challenges. The experience suits those who enjoy thoughtful indie adventures and brain-teasing puzzles without hand-holding.

Relax...Think...Water...Sand....
Sideral is a game without instructions, without words, first part is to understand what you need to do, then try to solve so many logic puzzles. Only you and your mind will be able to discover the misteries of each part of Sideral Islands....

Sideral has been developed by one single person, with love.
Indie Adventure Family Sharing Single-player Steam Achievements Full controller support
Interface:
ArabicBulgarianCzechDanishGermanGreekEnglishSpanish - SpainSpanish - Latin AmericaFinnishFrenchHungarianItalianJapaneseKoreanDutchNorwegianPolishPortuguese - PortugalPortuguese - BrazilRomanianRussianSwedishThaiTurkishUkrainianVietnameseSimplified ChineseTraditional Chinese
Audio:
ArabicBulgarianCzechDanishGermanGreekEnglishSpanish - SpainSpanish - Latin AmericaFinnishFrenchHungarianItalianJapaneseKoreanDutchNorwegianPolishPortuguese - PortugalPortuguese - BrazilRomanianRussianSwedishThaiTurkishUkrainianVietnameseSimplified ChineseTraditional Chinese

Age rating

Unavailable
Metacritic:
tbd 7.3
Steam:
Overwhelmingly Negative (3)

System requirements

Minimum:

  • OS: Win7 or later
  • Processor: i3 or higher
  • Memory: 4 GB RAM
  • Graphics: Intel HD 4000 series
  • Storage: 350 MB available space

Recommended:

  • OS: Win7 or later
  • Processor: i7
  • Memory: 8 MB RAM
  • Graphics: GeForce 780
  • Storage: 350 MB available space

Minimum:

  • OS: Mac OS X v10.6.6 or late
  • Processor: Intel Core Duo 2 or higher
  • Memory: 1 GB RAM
  • Graphics: Any
  • Storage: 256 MB available space

Recommended:

  • OS: Mac OS X v10.6.6 or late
  • Processor: Intel Core Duo 2 or higher
  • Memory: 1 GB RAM
  • Graphics: Any
  • Storage: 256 MB available space

Sideral PC price history

See all
Historical low
Price history from official stores
£5.49
Steam
1 years ago
Currently lowest: £5.49 Steam
Price history from keyshops
£0.27
GAMIVO
1 months ago
Currently lowest: £0.27 GAMIVO
Waiting for better offer?
Create an alert.

FAQ

9 questions

Before you start looking for a cheap Sideral PC key, check the essentials. Developed by Armagedoom Games. Published by Armagedoom Games. PC released date: 21 Jun 2019. Genres: Indie, Adventure. Categories: Family Sharing, Single-player, Steam Achievements, Full controller support.

Q

Where to buy a cheap Sideral Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Sideral key for as low as £0.27. This deal is available at GAMIVO and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Sideral price on PC. Check the Sideral price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Sideral Steam price is £5.49. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Sideral on sale even outside seasonal promotions. We currently detect 3 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Sideral is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

The cheapest offer came most often from G2A: 42 of 83 days with data. Half of all readings fell between £0.77 and £91.23. The spread between offers was wide: from £0.27 to £100.41. We have recorded offers from 4 stores in total, and from 1 in the most recent reading.

Yes. Sideral has an official page on the Steam Store. You can also buy a Sideral Steam key from third-party sellers. Our price comparison currently includes 3 offers with Steam DRM. Pick one to ensure your Sideral download happens on Valve's platform.

Not at this time. Valve marks Sideral as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data Sideral is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Sideral deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Sideral

1 GAMIVO GAMIVO Keyshop
-95% £0.27
2 Eneba Eneba Keyshop
-84% £0.80
3 Steam Steam Official
£5.49

Want to buy at the best moment? Set a price alert on XD.deals and get notified when Sideral hits its next historical low.

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